.container {
  $height:70vh;
  $width:70vw;

  position: fixed;
  height: $height;
  width: $width;
  top: 50%;
  left: 50%;
  margin-left:-$width/2 ;
  margin-top:-$height/2 ;

  border: 2px solid #000000;

  display: grid;
  justify-content: center;
  align-items: center;


}